Bridge Roller vs Polynesian Tree Snail

Ancylis uncella compared with Samoana attenuata

Key Differences

• Bridge Roller is Least Concern while Polynesian Tree Snail is Critically Endangered.

Taxonomic Classification

Rank	Bridge Roller	Polynesian Tree Snail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Mollusca (Mollusks)
Class	Insecta (Insects)	Gastropoda (Gastropoda)
Order	Lepidoptera (Butterflies & Moths)	Stylommatophora (Stylommatophora)
Family	Tortricidae	Partulidae
Genus	Ancylis	Samoana
Species	Ancylis uncella	Samoana attenuata

Evolutionary Relationship

Bridge Roller and Polynesian Tree Snail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bridge Roller

LC — Least Concern

Polynesian Tree Snail

CR — Critically Endangered

Physical Characteristics

Attribute	Bridge Roller	Polynesian Tree Snail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Polynesian Tree Snail

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.